NEW YORK (UNITED STATES) – A US judge ruled Thursday that former president Donald Trump and his eldest children must testify under oath in New York’s civil probe into alleged fraud at his family business. The ruling is the latest legal blow to the 75-year-old Trump as he fights numerous cases that threaten to complicate any bid for another run at the White House in 2024. The Trumps have repeatedly tried to shut down the investigation by New York Attorney General Letitia James, who last month said she had uncovered “significant evidence” of fraudulent or misleading practices at the Trump Organi…